To increase the FFT resolution, we add zero padding to the end of sampled data. What if we didn't add the zeroes at the end of the data, but copy the same
![Three comparative analyses. A. Zero-padding. A fast Fourier transform... | Download Scientific Diagram Three comparative analyses. A. Zero-padding. A fast Fourier transform... | Download Scientific Diagram](https://www.researchgate.net/publication/260522187/figure/fig2/AS:613930942623768@1523383951535/Three-comparative-analyses-A-Zero-padding-A-fast-Fourier-transform-FFT-was-applied.png)
Three comparative analyses. A. Zero-padding. A fast Fourier transform... | Download Scientific Diagram
![Illustration of the effect of zero-padding. (a) 1-D rectangle function.... | Download Scientific Diagram Illustration of the effect of zero-padding. (a) 1-D rectangle function.... | Download Scientific Diagram](https://www.researchgate.net/profile/Khalid-El-Darymli/publication/265043400/figure/fig5/AS:392127277223942@1470501836437/llustration-of-the-effect-of-zero-padding-a-1-D-rectangle-function-b-Magnitude.png)
Illustration of the effect of zero-padding. (a) 1-D rectangle function.... | Download Scientific Diagram
![DFT RESOLUTION, ZERO PADDING, AND FREQUENCY-DOMAIN SAMPLING | Chapter Three. The Discrete Fourier Transform DFT RESOLUTION, ZERO PADDING, AND FREQUENCY-DOMAIN SAMPLING | Chapter Three. The Discrete Fourier Transform](https://flylib.com/books/2/729/1/html/2/images/0131089897/graphics/03fig18.gif)
DFT RESOLUTION, ZERO PADDING, AND FREQUENCY-DOMAIN SAMPLING | Chapter Three. The Discrete Fourier Transform
![discrete signals - A case that zero padding increase real resolution and extract more info than naive DFT? - Signal Processing Stack Exchange discrete signals - A case that zero padding increase real resolution and extract more info than naive DFT? - Signal Processing Stack Exchange](https://i.stack.imgur.com/D7ex2.png)
discrete signals - A case that zero padding increase real resolution and extract more info than naive DFT? - Signal Processing Stack Exchange
![9: Zero-padding procedure for increasing the spatial resolution of the... | Download Scientific Diagram 9: Zero-padding procedure for increasing the spatial resolution of the... | Download Scientific Diagram](https://www.researchgate.net/profile/Zhaobin-Li-2/publication/332393718/figure/fig20/AS:747050127872000@1555122038314/Zero-padding-procedure-for-increasing-the-spatial-resolution-of-the-HOS-results-The.png)